2023_Spark_实验三十二：消费Kafka数据并保存到MySQL中

小程序实现todolist

app.json 文件中

{
  "pages": [
    "pages/index/index",
    "pages/todoList/todoList"
  ],
  "window": {
    "navigationBarTitleText": "Todo List"
  }
}

创建 pages/todoList/todoList.js 文件

Page({
  data: {
    todoList: []
  },
  onLoad: function() {
    this.loadTodoList();
  },
  loadTodoList: function() {
    // 从本地存储中加载待办事项列表
    const todoList = wx.getStorageSync('todoList');
    if (todoList) {
      this.setData({
        todoList: JSON.parse(todoList)
      });
    }
  },
  addTodo: function(e) {
    const value = e.detail.value;
    if (value) {
      const todo = {
        id: new Date().getTime(),
        content: value,
        completed: false
      };
      const todoList = [...this.data.todoList, todo];
      this.setData({
        todoList
      });
      wx.setStorageSync('todoList', JSON.stringify(todoList));
    }
  },
  completeTodo: function(e) {
    const id = e.currentTarget.dataset.id;
    const todoList = this.data.todoList.map(todo => {
      if (todo.id === id) {
        todo.completed = true;
      }
      return todo;
    });
    this.setData({
      todoList
    });
    wx.setStorageSync('todoList', JSON.stringify(todoList));
  },
  deleteTodo: function(e) {
    const id = e.currentTarget.dataset.id;
    const todoList = this.data.todoList.filter(todo => todo.id !== id);
    this.setData({
      todoList
    });
    wx.setStorageSync('todoList', JSON.stringify(todoList));
  }
})

创建 pages/todoList/todoList.wxml 文件

<view class="container">
  <view class="header">
    <text>待办事项：</text>
    <input type="text" bindconfirm="addTodo" placeholder="请输入任务内容" />
  </view>
  <view class="list">
    <block wx:for="{{todoList}}">
      <view class="item {{item.completed ? 'completed' : ''}}">
        <text>{{item.content}}</text>
        <button bindtap="completeTodo" data-id="{{item.id}}">完成</button>
        <button bindtap="deleteTodo" data-id="{{item.id}}">删除</button>
      </view>
    </block>
  </view>
</view>

到这里也就结束了，希望对您有所帮助。